.**OXIO** is the first_NeoTelco. _We are_ _building the world's largest, most accessible, and insightful Telecom network. Our platform empowers anyone to spin up their own carrier from a browser, scaling and supporting you as you scale your network to millions of users.We ensure that users and devices are connected, and stay connected wherever they go: Cross- country, carrier, or cellular technology. We help them pay less for mobile data. This technology is provided through our Carrier-as-a-Service platform: BrandVNO, a fully customizable telecom service. In addition, we enable clients of our service to extract the value from telecom data - enriching their customer experience, business intelligence, and product understanding in the many markets in which we operate.We're looking for a Mobile Support engineer to help grow our telecom team. This role will be hands on and you will work with our telecom team, core engineering team, and Level 1/2 customer support escalation groups, in order to monitor, troubleshoot, and properly escalate real-time core network or infrastructure issues that could affect customers.- Your role will be part of the telecom team within a dynamic and busy telecom company and will work alongside individuals who are highly experienced and experts in their field. This is a great opportunity for someone who wants to learn all about mobile telecom networks.**Key responsibilities**:**Technical**:- Good understanding of Mobile Networks 2G/3G/4G/5G- Troubleshooting complex issues by analyzing end to end call traces in several protocols and interfaces (MAP, TCAP, RANAP, DIAMETER, SIP, GTP, GTPv2, S1AP, SGsAP,IuCS, IuPS, Gr, Gn/Gp, S6a, S11, S5/S8, Gm, Rx, Cx etc.)- Troubleshooting International Roaming issues (voice and data) reported by outbound subscribers.- Working together with worldwide mobile operator engineers to make live tests and perform analysis to find the root cause- Creating on-demand dashboards to monitor specific metrics or to validate restoring of services after failures- Technical support to NOC engineers to analyze and solve issues.- Liase with MNOs to represent the telecom team on the country.**Management**- Performs L3-level troubleshooting and resolves or escalates on telecom matters.- Development of KPIs and other metrics to monitor key aspects in mobile network performance- Development of training material related to signaling / troubleshooting / best practices- Report and coordinate faults rectification with other operators and service providers- Ability to troubleshoot, document, and assess proper escalation channel and team or group